Covering properties of -mad families
arXiv:1911.00371 · doi:10.1007/s00153-019-00700-y
Abstract
We prove that CH implies the existence of a Cohen-indestructible mad family such that the Mathias forcing associated to its filter adds dominating reals, while is consistent with the negation of this statement as witnessed by the Laver model for the consistency of Borel's conjecture.
Comments are welcome. Archive for Mathematical Logic, to appear